Unamortized Regulatory Commission Expense: Montana gas amortization over 36 months ending 2/24;Minnesota gas amortization over 48 months ending 3/25; Montana electric amortization over 36 months ending 7/25; North Dakota electric amortization over 36 months ending 9/25; North Dakota gas amortization over 36 months ending 11/27;  South Dakota electric amortization over 60 months ending 8/29; South Dakota gas amortization over 60 months ending 8/29